1. The connection is firm and not easy to loose. 2. The plug is made of brass material with excellent electrical resistance, good electrical conductivity and good signal transmission. 3. Pure copper shielding + aluminum foil shielding, reducing losses, eliminating interference, and significantly improved sound quality. 4. Environmentally friendly PVC, nylon woven jacket, good flexibility, good tensile properties and durability. 5. Compatible with devices with XLR jacks, such as microphones, stereos, amplifiers, etc.Specification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 20.7cm * 15cm * 2.2cm / 8.15inch * 5.91inch * 0.87inch Qty per Carton 120 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 62cm * 44cm / 18.5inch * 24.41inch * 17.32inch Loading Container 20GP: 207 cartons * 120 pcs = 24840 pcs 40HQ: 482 cartons * 120 pcs = 57840 pcs